package homework.mr_1;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;

import java.io.IOException;

public class JobMapper extends Mapper<LongWritable, Text, IntWritable, IntWritable> {

    final Text word = new Text();
    final IntWritable one = new IntWritable(1);

    @Override
    protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {

        final String str = value.toString();
        final String[] words = str.split(" ");
        for (String s : words) {
         IntWritable keyInt = new IntWritable(Integer.parseInt(s.toString()));
         context.write(keyInt,keyInt);
        }
    }
}
